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Ancient Tree Inventory
To build a living database of ancient trees
Multiple locations, including yours!
- Ongoing
Citizen ScienceEcology & EnvironmentNature & OutdoorsBiologytrees, united kingdom
trees
within 25 miles
Feb 27, 2026
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2B Technologies, Inc.
AQTreks (AirQualityTreks)
Monitor air pollution levels and map air pollution around the US
Multiple locations, including yours!
- Ongoing
Citizen ScienceNature & OutdoorsGeographyEducationCrowd FundingTransportationEcology & EnvironmentComputers & TechnologyClimate & WeatherChemistryOcean Water Marinewinterandroidnatureclimate changedataenvironmental justiceappoutdoorssummerair quality indexweather datacitizen scienceclimatesciencegirl scoutsmobile applicationweathercarbon dioxideinvestigationsmartphone applicationbicyclingstemhikingcarbon monoxideequityusaair qualityglobal warmingairdatabaseiphoneair pollution monitoringparticulate matterair pollutioncommunity-based monitoringenvironmentautumnclimate monitoringec2020springexperiment
NC State University | ecoipm.org | YourWildLife.org
A Tree's Life
To learn how climate & urbanization affect tree growth & health
Multiple locations, including yours!
- Ongoing
Citizen ScienceBiologyEducationClimate & WeatherNature & OutdoorsEcology & Environmenturban ecologycarbon sequestrationtreesclimate change
Cornell University/New York Department of Environmental Conservation
AVID (Assessing Vegetation Impacts from Deer)
Monitor the effects of deer browsing on woodland trees and plants
Multiple locations, including yours!
- Ongoing through November 30, 2030 at 8:35 PM
Citizen ScienceAnimalsEcology & EnvironmentNature & Outdoorstreesdeerforestecologyforest healthwildlifeseedlingswildflowerswoodlands
Airigami
Balloon Breakdown
Help compost 40,000 latex balloons
Multiple locations, including yours!
- Ongoing
Citizen ScienceEcology & Environmentballooncompostingcompostballoons
Northern Rivers Fire and Biodiversity Consortium Inc.
Bell Miner Associated Dieback Best Practice Project
Evaluate the removal of mid-storey density in disturbed forests using prescribed fire, weed control and bush regeneration as a method to restore BMAD affected forest.
Anywhere
- Ongoing
Citizen ScienceEducationEcology & EnvironmentBirdslocations of native bell miner coloniestree health across the northern rivers region of new south walesgondwana world heritagebird monitoringaustralialandholdersdata biodiversity birds treesbell miner associated dieback (bmad)bmad affected forest
Boyce Thompson Arboretum
Boyce Thompson Arboretum: Forest Bathing
Boyce Thompson Arboretum Arizona
- March 7, 2026 at 7:00 AM
CommunityGeneral Science
Boyce Thompson Arboretum
Boyce Thompson Arboretum: Forest Bathing
Boyce Thompson Arboretum Arizona
- March 7, 2026 at 7:00 AM
CommunityGeneral Science
Zooniverse
Buzzy Bee - African Canopy Pollinators
Study pollination of Central African timber species
Anywhere
- Ongoing
Citizen ScienceInsects & PollinatorsEcology & EnvironmentBiologypollination flower ecology tree conservation interaction botany insect entomologytree speciescirculating entomofaunasize and composition of pollinators communitiestropical rainforesttimber speciesfloral traitspollen dispersal distances
Casey Trees
To restore, enhance and protect the trees of Washington DC
Multiple locations, including yours!
- Ongoing
Citizen ScienceEcology & EnvironmentGeology & Earth ScienceNature & OutdoorsBiologycanopywashington d.c.tree plantingtreesplanting